Theoretical physicist, author, broadcaster and professor Jim Al-Khalili sets out to discover the background of the rules of the universe and how humans discovered them. Al-Khalili investigates the laws that link everything, the concepts of energy, and how the concept of information relates to today's reality. Energy is vital to everything living, but what exactly is it? Out to answer this question, Al-Khalili proves how energy is so crucial to daily existence and its link to understanding the entire universe.